US146423A - Improvement in concrete pavements - Google Patents
Improvement in concrete pavements Download PDFInfo
- Publication number
- US146423A US146423A US146423DA US146423A US 146423 A US146423 A US 146423A US 146423D A US146423D A US 146423DA US 146423 A US146423 A US 146423A
- Authority
- US
- United States
- Prior art keywords
- cement
- pavement
- improvement
- concrete pavements
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004568 cement Substances 0.000 description 28
- 239000011398 Portland cement Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 210000003298 Dental Enamel Anatomy 0.000 description 2
- 239000002969 artificial stone Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/06—Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration
Definitions
- the drawing is a section of a small piece of pavement such as I propose to make.
- A is the lower mass of common cement, and B is the top crust of Portland cement.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Description
BAssETT.- Concrete' Pave-ments.
UNITED STATES PATENT OFFICEo GEORGE BAssETT, OE sYEAcUsE, nEw YOEK, Assienon To niMsELE Ann THOMAs e. BAssETT, OE sAME PLAGE.
IMPROVEMENT IN CONCRETE PAVEMENTS.
Specification forming part of Leiters Patent No. 146,423, dated J anuary 13, 1874;` application led August 16, 1873.
To all whom it may concern:
` Be it known that I, GEORGE BAssETT, of Syracuse, in the county of Onondaga and State of New York, have invented a new and Improved Concrete Pavement, of which the following is a specification:
In making concrete pavements, sidewalks, 8vo., it has, up to this time, been considered necessary to use foreign, Portland, and other expensive manufactured cement, because it dries and hardens soon after being laid down,
so that the public need not long be excluded from the places paved or covered.
Our native Rosendale and other cements are,
` as is well known, capable of making as hard and durable artificial stone, by the mixture of sand, gravel, Src., as the aforesaid expensive cements; but, owing to the long time (from three to six months) required for them to set and harden, it has been found impracticable to utilize them for pavements, roadways, &c., such as are made by laying'cement while in a plastic state, and allowing it time to set and harden before use; but, owing to the great difference in the cost of the native and foreign cements, it is highly desirable to utilize the former in some way, inasmuch as they are equally as durable when sufficientlyr hardened. Now, I propose to get over the difficulty by i usingthe nativecements for aboutthree-fourths 'y (more or less) of the pavement, placing the same at the bottom, and about one-fourth of foreign cement upon the top, which answers the purpose just as well for rendering the pavement capable of use as soon as the all- Portland-cement pavement is, for the upper crust ofthe latter cement dries as soon as when the pavement is wholly of such cement, and
them quickly 5 but the difculty of confining the gases upon the cement when. spread on the y ground is so great as to render the process im practicable, so that suchmeans are not now used, except when the blocks are made in molds and hardened in a kiln before being laid down; but this is an objectionable mode of making pavements, because of theadditional labor involved and the difculty of making the pavement in separate blocks, so that the surface will be exactly even; and, besides, both processes of drying by gases involve expense, which I save altogether.
I propose to use the common cheap cements for the foundation, as before described,whether I make the pavement continuous or separateV it into sections.
In carrying out my invention, I first lay a bed of concrete, of any desirable thickness, of Rosendale or any other best American cement,
and immediately, while it is in a plastic-state, L
enamel the surface with a top dressing of Portland or other best English manufactured cement, so that the two shall be united in one mass or solid block.
Generally I will separate the pavement into flags of any desired size `by the method described in my patent of October 29, 1372; but it may be separated by any other process 5 and I also propose to construct such fla-gs of common cement topped with Portland cement, to be afterward laid. l
The drawing is a section of a small piece of pavement such as I propose to make.
A is the lower mass of common cement, and B is the top crust of Portland cement.
Having thus described" my invention, Iclaim as new and desire to secure by Letters-Pat A wn. E. GUNN, y Tnos. G. BAssETT.
Publications (1)
Publication Number | Publication Date |
---|---|
US146423A true US146423A (en) | 1874-01-13 |
Family
ID=2215837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US146423D Expired - Lifetime US146423A (en) | Improvement in concrete pavements |
Country Status (1)
Country | Link |
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US (1) | US146423A (en) |
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0
- US US146423D patent/US146423A/en not_active Expired - Lifetime
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